I have not tested this yet, but i have my GPS puck mounted on top of the nose lid, and the bottom of the nose lid is covered in two layers of copper tape. In the second pic you can see the edge of the copper layer that covers the whole bottom of the forward lid area.

The goal is that the copper barrier will reduce the EM interference from the various electronics to the GPS antenna.

Well with not being to happy with the prop adaptors not fitting the folding props, I ordered some fixed props.After watching a video on flight time with fixed, folding pair and folding triple props, the flight time was 13,10 and 8.So I found 2 different set that fit from hobbyking.One with 8mm shaft with the square sides, fit perfect.The other are self tightning props that were a little tight and just needed a 8mm drill bit to ream out a fraction.Doing a test flight to see how they go, night time here

Edit: just did a quick test and the props were very smooth and a lot quieter, very happy.

Did a few more flight test. 15 minutes of hovering and the esc were still cold, happy about that Played around with gains to get it alot more steady.Now to get out side tomorrow and do some return to home tests.